Smut-machine.



No. 883,815.V

2 SHEETS-SHEET 1.

. PATENTED APR. '7, 1908. O. L. LARSON.

SMUT MACHINE APPLICATION FILED JULY 13. 1907.

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No. 883,815. PATENTED APR. 7, 1908.

0. L. LARSON. SMUT MACHINE;

APPLICATION FILED JULY 13, 1907.

` 2 SHEETS-SHEBT 2.

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`to the one disclosed in my SMUT-MACHINE Specification of LettersPatent. v:Patented April 7, 1908. Application sied July is, i907. seriaiNo. 883,630..

To all whom it may concern." of the chain, and slat type.i The chains ofBe it known that l, OLiiL. LAnsoN, a citithe conveyer 8 run overSprockets 9 on shaft Zen of the United States, residing at Minne- 10suitably mounted near theiower end of apolis, in the county of Hennepinand State the trunk 7, and over sprockets 11 fixed to of Minnesota, haveinvented certain new and shaft 12 near the upper en d of the trunk 7,useful Improvements in Smut Machines; which shaft 12 is journaled insliding boxes and l do hereby declare the followingto be a 13 mountedinthe side-boards 'of the trunk full, clear, and exact description of theinvenfand subject to draw bolts 14 for setting the tion, such as willenable others skilled in the conveyer. under proper tension. The floorart to which it appertains to make and use the same.

My invention relates to smut machines.

ln its general design the machine isA similar prior patent 850,378, ofdate April 16th, 1907. Asili my said prior machine, the purpose is, totreat smutty grain with a solution of formaldehyde or other germdestroyin liquid. My prior machine was especially we l adapt. ed for thetreatment of smutty wheatbr of the trunk `7 .is provided with a pair ofraised corrugations 7, spaced apart from each other andrun'ninglengthwise thereof, upon-which thenrossslats of the under-running fold'of the` conveyer 8 ,travel as they moveupward toward the delivery endof the elevatoroand ,to the side-boards of the trunk 7 arefixed guideslunder which the projrectinglends ofthe slats of the under-running foldof the conveyer move, and by which the slatsvlofy the fconveyer are helddown and other grain of greater speciiic gravityV than made toI 1runvupon'the corrugations 7 a, or the liquid, but did not work well for the,close. enough to the floor of the trunk 7 to treatment of oats or otherlight grains of less r.p Grain but with suffivrevent the escape of the gspecific gravity than the liquid. cient clearance to permitftheA liquidto iiow My present invention has for its object to backward and downwardalong the trunk provide a machine which will workwell in and into .thetank 1. Theuppefrnshaft 12 treating oats or other light grains.`projects outward, at' one `end', beyond the To this end, my inventionconsists of the fname of the machine, andis provided with a noveldevices and combinations of devices sprocketV 16 connected by afchain 17to a hereinafter described and defined inthe; sprocket I18, on driving,fshaftflQ suitably claims. `mounted in the framework of the machine lnthe accompanying drawings, wherein like notations indicate like partsthroughout-` andlslriown as provided with' a` hand crank 20.

the several views; Figure 1 is a planview of my improved machine, withsome parts `.As shownI the driving Ishaft 19 extends through the ,feedhopper cl'ose'to .the outlet broken away; Fi 2 is a section on the line:r2 m2 of Fig. 1; an Fig. 3 is a vertical longituor feed throatof thesam'l l`andassists in the feeding actionof thev grain. that portion'ofthe trunk 7 wliich prodinal section on the line x3 ac3 of Fig. 1. 1-

The numeral 1 represents a hopper like. tank secured to a suitableframework 2for eringpbut holding the germ-destroying liquid Z The iframe 2 is provided with side-boardsk 3 forme., ing upward extensions tothe sidewalls .ofy the tank 1I The frame 2 is also provided with a crossboard 4 at one end which rises to lisopen on its face, or without anytop cova consil .portionmof the trunk 7 which isv submerged within the'liquid Z is 'covered or `closed on its Ifaceby a guard board21j'." This'guard board .21 extends .sufficientlyiclose'yto 'the lower end of .thetrunk 7 to in tight joint a height above the level of the liquid in thevbetween the trun r vand tlie `wvall'of the tank tank 1. On the frame2,.at the end thereof at'tli'ei-foot ofthe trufnk. frlhe' 'guard boardadjacent to the board L1, is mounted a feed 21`is provided with an`upward extension 21a hopper 5, the outlet opening or throat of ystandingatan angletofthe main body of the which is controlled by an adjustableslide 6, guard board andthe face 'of theitrunk 7 and for controlling thefeed of the smuttyp-grain `reaching nearly tto `a` junction with theright which is to be treated by the liquid in the hand wall of thefeedliopper 5, so that the tank 1. Within the tank 1, 'in an inclinedgrain delivery froml Ithe feed hopper is to the osition and passing outfrom the-tank beleft ef said extension 21a, 'as shown in Fig. 3 ow thehopper 5, is mounted an open-ended ofthe drawings'. Theparts marked withthe trunk 7, provided with an endless conveyer 8 Y numerals 7to 16inclusive and with the nujects abovethe level of tl`vi`e liquid in thetank derable "part of all that,

The grain will ,dropv ,by gravity into lthe 'water" to the left of theguard i v.caughtby the slats, on,A the merals 21 and 21a togetherconstitute an elevator which is bodily reniovable from" the tank 1 andthe frame of the machine, but which, when in working position therein,will rest by gravity in the position shown in Fig. 3 of the drawing.

Assuming the conveyer, Stobe in motion, the hopper 5 to be or othergrainzof ,less specific gravity than the,li q,uid,Z, .anldItheffeed'ou'tl'et of thfhopper l coperation with the loaded with smuttyoats to be properly graduated.I by ythe slideA 6,' then e action onvrthe grain ywi l be ,as` follows:

Y b oard"'epfitjension2 1,y vand thence intothe trunk 7 far enonghto beupper; 1- ,running i ,fold of the conveyerfS, aiidbe carriedtherebytrunk., 7, where it will beheld lfrom .downtoward the lowermos Y l ingout 0f theiiquid bythe gliardfboardZL" Hence,

grain will be kept-@submerged allE the treaches th'e'fcot, of thev trunk7 t up servethe on the topl ythereof,"thereby the.. tank andnmoreover, ye

' .not be submergedinthe,liquid'forasuicient' .thesame `21, with che yshown, themach `the .treatment of directly might b tank 1 asvlong asitbeyproperly' located tol guarding function,y 1n res ect. to the`grain.. For example, it might be Xed'to the V and the/lower efnd of: thetrunlgbe iittedunder the same, ,with

then be. ,Caught .bythe sans thder running foldof the conveyer'S.andy belcarried 21 was not present, the Igrain of gravity than thefli`uidZfa's'soon as its yfallingmovement was liquid, wouldllrisethroughthe'same andjfloat a position` that` the)l slats the conveyercould not engagegand removlethe samel'from such grain'ewould length of-time toget thev roperlresults' from'4 By-,theembedimenteftheguard'other parte of .the levatoj herein ine isl rendered elicient for oats orother '.light grain i bel undjerstoodftha't the guard 21-21fyinstead.Aof 'beingy applied tothe trunk 7 Iof the elevator, e otherwise supportedwithin the side vwalls ofthe tankY close enough `.joints to prevent theescape of the' buoying action vthereon of thelliquid.. remarkappliesdto.A the walls -of the sujb-l elevator itank at the` lower endof the elevator. Otherwisevstated,thesejoints may e be suflicientlyopento permit a free'circulae y should sufliciently 5to prevent thevrising of the 'grain yI tlm'ustalso be .understood cir .might 'be Ofenyfs'utable construction, as long as it was capable of `along theiioorof lthe trunk 7,l s anddelivered over Ithi-111ippe'i" end 'of the same.

The samel tend jofth'esaid l guard 21, in the manner and for thepurposes hereinbefore described. Respecting the upward extension 21aL ofthe guard 21, it should be notedthat it rises to a point above thelevelA of the liquid Z in the tank 1, and is so related to the line rofthe grains feed, as it drops from the hopper 5 and to the endlessconveyer 8, that it will prevent the grain, which iioats on the topofthe liquid, movingto the `right of the sald extension; 'and hence, itfollows, that whatever grain does float at the left of thesaid'extension 21, will remain in position to ybe engaged bythe slats ofthe conveyer 8 and be draggeddown under the liquid and be taken to thelower end of the trunk 7 beneath the main body of the guard 21. What'Iclaim is 1; Ina machine of the class described, the

A combination with a suitable tank, for congettingintfofsuch l taining agerm destroying`liquid,1of a grain 'supplying device, an elevatorpartially submerged within the liquid in said tank, and a 'guardcovering substantially the whole of the'su'bmerged part of saidelevatorbut having an angular upward extension protruding 'beyond the liquidlevel, at a short distance from thef adjacent face of the elevator, withvthe said parts so arran ed that the grain from said supply deviceisdropped into the liquid between said guard extension and the adjacentdownward movin elements of the elevator, whereby grain of iess specificgravity will not be floated away by the liquid, but will be caught bythe moving elements of the elevator, and be 'thereby forced under theguar'dand held subject to the liquid throughout the travel of the movingelements of the elevator therethrough, substantially as described. i

l2. In a machine of the class described, the v Acombination with atankfor holding a germ destroying liquid, of a grain supplying device, agrain elevator composed of `a ysuitable trunk having an endlessconveyer, the up er fold of which runs downward, and the under fold ofwhich' runsupward, which elevator lis partially submerged within theliquid in said tank', and the trunk of which elevator hasgrainftightbottom and side walls and is provided with a grain-tightcover vor guard composedl of the 'parts 21 and 21 a arrangedin repect tothe grain sup ly device land the own running fold of t e conveyer, asdescribed, for 'co eration therewith as set forth, whereby tliesaidemachine is adapted ,to the treatment of oats or otherlight grains fof less specific gravity than the liquid.

In testimony'whereof I affix my signature 1n presence of 'two witnesses.

OLE L. LARsoN. l"WitneSSS l f .nar WILLIAMSON

